// Press Shift twice to open the Search Everywhere dialog and type `show whitespaces`,
// then press Enter. You can now see whitespace characters in your code.
public class Main {
    public static void main(String[] args) {
       Test3 test3 = new Test3();
       int[] arr = {1,3,5,4,7};
       test3.findNumberOfLIS(arr);
        System.out.println(666);
    }
}